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Official data from INPI

DISPOSIÇÃO DE CIRCUITO DE ASSINANTE TELEFÔNICO

PublicadaInvention Patent

Application data

Number

PI8702641

Type

Invention Patent

Filing

05/22/1987

Publication

02/23/1988

Progress at the INPI

  1. Filing05/22/87
  2. Publication02/23/88
  3. Examination10/16/90
  4. Allowance10/08/91
  5. Grant06/30/92
  6. Terminated10/17/95

The patent was granted on 06/30/1992 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/23/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. A. (pessoa física)

DE

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Inventors

E. M. (pessoa física)

AT

H. B. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 1380/86 · 05/23/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/23/1988

RPI 905

Pedido de patente depositado

#2.1

08/11/1987

RPI 877

Anuidade - prazo legal encerrado

#18.2

10/17/1995

RPI 1298

Concessão da patente

#16.1

06/30/1992

RPI 1126

Republicação - classificação IPC

#15.11

03/17/1992

RPI 1111

Notificação para pagamento de retribuição

#13.1

02/11/1992

RPI 1106

Deferimento

#9.1

10/08/1991

RPI 1088

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

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